* [http://homepages.cwi.nl/~ralf/HList/ HList --- a Haskell library for strongly typed heterogeneous collections] includes also extensible records. Its relatedness to database programming is described in the articles, se also its [http://hackage.haskell.org/trac/summer-of-code/ticket/33 possible] relatedness to [[Libraries and tools/Database interfaces/HaskellDB|HaskellDB]] project.

* [http://homepages.cwi.nl/~ralf/HList/ HList --- a Haskell library for strongly typed heterogeneous collections] includes also extensible records. Its relatedness to database programming is described in the articles, se also its [http://hackage.haskell.org/trac/summer-of-code/ticket/33 possible] relatedness to [[Libraries and tools/Database interfaces/HaskellDB|HaskellDB]] project.

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* Daan Leijen: [http://www.cs.uu.nl/~daan/pubs.html#fclabels First-class labels for extensible rows]. See also the description of the Haskell-like language [http://www.cs.uu.nl/~daan/morrow/ Morrow], it is based on the concepts of the article.

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* Daan Leijen: [http://www.cs.uu.nl/~daan/pubs.html#fclabels First-class labels for extensible rows]. See also the description of the Haskell-like language [http://www.cs.uu.nl/~daan/morrow/ Morrow], it is based on the concepts of the article. And [http://www.cs.uu.nl/~daan/pubs.html#scopedlabels Extensible records with scoped labels]: "We describe a natural approach to typing polymorphic and extensible records that is simple, easy to use in practice, and straightforward to implement."